Sorry, you guys were right, I was not. It seems that if Bob accepts only one format then the Alice can rely on not receiving any other payload type.
http://www.rfc-archive.org/getrfc.php?rfc=4317 Example 2.1. In order to allow asymmetric session, Bob should accept more than one format, as in example 2.2. Regards, -- Maksym Sobolyev Sippy Software, Inc. Internet Telephony (VoIP) Experts T/F: +1-646-651-1110 Web: http://www.sippysoft.com MSN: sa...@sippysoft.com Skype: SippySoft _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors